GJ 841B - The Second DQ White Dwarf with Polarized CH Molecular Bands

Tommi Vornanen, Svetlana Berdyugina, Andrei Berdyugin +1

We report a discovery of the circularly polarized CH $A^2\Delta -X^2\Pi$ and $B^2{\Sigma }^{-}-X^2\Pi$ molecular bands in the spectrum of the DQ white dwarf GJ 841B. This is only the second such obje…